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Please help me prove this identity:
1/(cosA+sinA) + 1/(cosA-sinA) = tan2AcosecA
I got as far as LHS= 2cosA/cos^2A - sin^2A.
I cant go any further, please help!
1/(cosA+sinA) + 1/(cosA-sinA) = tan2AcosecA
I got as far as LHS= 2cosA/cos^2A - sin^2A.
I cant go any further, please help!